[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / nfs4.h

/*
 *  include/linux/nfs4.h
 *
 *  NFSv4 protocol definitions.
 *
 *  Copyright (c) 2002 The Regents of the University of Michigan.
 *  All rights reserved.
 *
 *  Kendrick Smith <kmsmith@umich.edu>
 *  Andy Adamson   <andros@umich.edu>
 */
#ifndef _LINUX_NFS4_H
#define _LINUX_NFS4_H

#include <linux/list.h>
#include <linux/uidgid.h>
#include <uapi/linux/nfs4.h>

struct nfs4_ace {
	uint32_t	type;
	uint32_t	flag;
	uint32_t	access_mask;
	int		whotype;
	union {
		kuid_t	who_uid;
		kgid_t	who_gid;
	};
};

struct nfs4_acl {
	uint32_t	naces;
	struct nfs4_ace	aces[0];
};

typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;

struct nfs_stateid4 {
	__be32 seqid;
	char other[NFS4_STATEID_OTHER_SIZE];
} __attribute__ ((packed));

typedef struct nfs_stateid4 nfs4_stateid;

enum nfs_opnum4 {
	OP_ACCESS = 3,
	OP_CLOSE = 4,
	OP_COMMIT = 5,
	OP_CREATE = 6,
	OP_DELEGPURGE = 7,
	OP_DELEGRETURN = 8,
	OP_GETATTR = 9,
	OP_GETFH = 10,
	OP_LINK = 11,
	OP_LOCK = 12,
	OP_LOCKT = 13,
	OP_LOCKU = 14,
	OP_LOOKUP = 15,
	OP_LOOKUPP = 16,
	OP_NVERIFY = 17,
	OP_OPEN = 18,
	OP_OPENATTR = 19,
	OP_OPEN_CONFIRM = 20,
	OP_OPEN_DOWNGRADE = 21,
	OP_PUTFH = 22,
	OP_PUTPUBFH = 23,
	OP_PUTROOTFH = 24,
	OP_READ = 25,
	OP_READDIR = 26,
	OP_READLINK = 27,
	OP_REMOVE = 28,
	OP_RENAME = 29,
	OP_RENEW = 30,
	OP_RESTOREFH = 31,
	OP_SAVEFH = 32,
	OP_SECINFO = 33,
	OP_SETATTR = 34,
	OP_SETCLIENTID = 35,
	OP_SETCLIENTID_CONFIRM = 36,
	OP_VERIFY = 37,
	OP_WRITE = 38,
	OP_RELEASE_LOCKOWNER = 39,

	/* nfs41 */
	OP_BACKCHANNEL_CTL = 40,
	OP_BIND_CONN_TO_SESSION = 41,
	OP_EXCHANGE_ID = 42,
	OP_CREATE_SESSION = 43,
	OP_DESTROY_SESSION = 44,
	OP_FREE_STATEID = 45,
	OP_GET_DIR_DELEGATION = 46,
	OP_GETDEVICEINFO = 47,
	OP_GETDEVICELIST = 48,
	OP_LAYOUTCOMMIT = 49,
	OP_LAYOUTGET = 50,
	OP_LAYOUTRETURN = 51,
	OP_SECINFO_NO_NAME = 52,
	OP_SEQUENCE = 53,
	OP_SET_SSV = 54,
	OP_TEST_STATEID = 55,
	OP_WANT_DELEGATION = 56,
	OP_DESTROY_CLIENTID = 57,
	OP_RECLAIM_COMPLETE = 58,

	OP_ILLEGAL = 10044,
};

/*Defining first and last NFS4 operations implemented.
Needs to be updated if more operations are defined in future.*/

#define FIRST_NFS4_OP	OP_ACCESS
#define LAST_NFS4_OP 	OP_RECLAIM_COMPLETE

enum nfsstat4 {
	NFS4_OK = 0,
	NFS4ERR_PERM = 1,
	NFS4ERR_NOENT = 2,
	NFS4ERR_IO = 5,
	NFS4ERR_NXIO = 6,
	NFS4ERR_ACCESS = 13,
	NFS4ERR_EXIST = 17,
	NFS4ERR_XDEV = 18,
	/* Unused/reserved 19 */
	NFS4ERR_NOTDIR = 20,
	NFS4ERR_ISDIR = 21,
	NFS4ERR_INVAL = 22,
	NFS4ERR_FBIG = 27,
	NFS4ERR_NOSPC = 28,
	NFS4ERR_ROFS = 30,
	NFS4ERR_MLINK = 31,
	NFS4ERR_NAMETOOLONG = 63,
	NFS4ERR_NOTEMPTY = 66,
	NFS4ERR_DQUOT = 69,
	NFS4ERR_STALE = 70,
	NFS4ERR_BADHANDLE = 10001,
	NFS4ERR_BAD_COOKIE = 10003,
	NFS4ERR_NOTSUPP = 10004,
	NFS4ERR_TOOSMALL = 10005,
	NFS4ERR_SERVERFAULT = 10006,
	NFS4ERR_BADTYPE = 10007,
	NFS4ERR_DELAY = 10008,
	NFS4ERR_SAME = 10009,
	NFS4ERR_DENIED = 10010,
	NFS4ERR_EXPIRED = 10011,
	NFS4ERR_LOCKED = 10012,
	NFS4ERR_GRACE = 10013,
	NFS4ERR_FHEXPIRED = 10014,
	NFS4ERR_SHARE_DENIED = 10015,
	NFS4ERR_WRONGSEC = 10016,
	NFS4ERR_CLID_INUSE = 10017,
	NFS4ERR_RESOURCE = 10018,
	NFS4ERR_MOVED = 10019,
	NFS4ERR_NOFILEHANDLE = 10020,
	NFS4ERR_MINOR_VERS_MISMATCH = 10021,
	NFS4ERR_STALE_CLIENTID = 10022,
	NFS4ERR_STALE_STATEID = 10023,
	NFS4ERR_OLD_STATEID = 10024,
	NFS4ERR_BAD_STATEID = 10025,
	NFS4ERR_BAD_SEQID = 10026,
	NFS4ERR_NOT_SAME = 10027,
	NFS4ERR_LOCK_RANGE = 10028,
	NFS4ERR_SYMLINK = 10029,
	NFS4ERR_RESTOREFH = 10030,
	NFS4ERR_LEASE_MOVED = 10031,
	NFS4ERR_ATTRNOTSUPP = 10032,
	NFS4ERR_NO_GRACE = 10033,
	NFS4ERR_RECLAIM_BAD = 10034,
	NFS4ERR_RECLAIM_CONFLICT = 10035,
	NFS4ERR_BADXDR = 10036,
	NFS4ERR_LOCKS_HELD = 10037,
	NFS4ERR_OPENMODE = 10038,
	NFS4ERR_BADOWNER = 10039,
	NFS4ERR_BADCHAR = 10040,
	NFS4ERR_BADNAME = 10041,
	NFS4ERR_BAD_RANGE = 10042,
	NFS4ERR_LOCK_NOTSUPP = 10043,
	NFS4ERR_OP_ILLEGAL = 10044,
	NFS4ERR_DEADLOCK = 10045,
	NFS4ERR_FILE_OPEN = 10046,
	NFS4ERR_ADMIN_REVOKED = 10047,
	NFS4ERR_CB_PATH_DOWN = 10048,

	/* nfs41 */
	NFS4ERR_BADIOMODE	= 10049,
	NFS4ERR_BADLAYOUT	= 10050,
	NFS4ERR_BAD_SESSION_DIGEST = 10051,
	NFS4ERR_BADSESSION	= 10052,
	NFS4ERR_BADSLOT		= 10053,
	NFS4ERR_COMPLETE_ALREADY = 10054,
	NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
	NFS4ERR_DELEG_ALREADY_WANTED = 10056,
	NFS4ERR_BACK_CHAN_BUSY	= 10057,	/* backchan reqs outstanding */
	NFS4ERR_LAYOUTTRYLATER	= 10058,
	NFS4ERR_LAYOUTUNAVAILABLE = 10059,
	NFS4ERR_NOMATCHING_LAYOUT = 10060,
	NFS4ERR_RECALLCONFLICT	= 10061,
	NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
	NFS4ERR_SEQ_MISORDERED = 10063, 	/* unexpected seq.id in req */
	NFS4ERR_SEQUENCE_POS	= 10064,	/* [CB_]SEQ. op not 1st op */
	NFS4ERR_REQ_TOO_BIG	= 10065,	/* request too big */
	NFS4ERR_REP_TOO_BIG	= 10066,	/* reply too big */
	NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067,	/* rep. not all cached */
	NFS4ERR_RETRY_UNCACHED_REP = 10068,	/* retry & rep. uncached */
	NFS4ERR_UNSAFE_COMPOUND = 10069,	/* retry/recovery too hard */
	NFS4ERR_TOO_MANY_OPS	= 10070,	/* too many ops in [CB_]COMP */
	NFS4ERR_OP_NOT_IN_SESSION = 10071,	/* op needs [CB_]SEQ. op */
	NFS4ERR_HASH_ALG_UNSUPP = 10072,	/* hash alg. not supp. */
						/* Error 10073 is unused. */
	NFS4ERR_CLIENTID_BUSY	= 10074,	/* clientid has state */
	NFS4ERR_PNFS_IO_HOLE	= 10075,	/* IO to _SPARSE file hole */
	NFS4ERR_SEQ_FALSE_RETRY	= 10076,	/* retry not original */
	NFS4ERR_BAD_HIGH_SLOT	= 10077,	/* sequence arg bad */
	NFS4ERR_DEADSESSION	= 10078,	/* persistent session dead */
	NFS4ERR_ENCR_ALG_UNSUPP = 10079,	/* SSV alg mismatch */
	NFS4ERR_PNFS_NO_LAYOUT	= 10080,	/* direct I/O with no layout */
	NFS4ERR_NOT_ONLY_OP	= 10081,	/* bad compound */
	NFS4ERR_WRONG_CRED	= 10082,	/* permissions:state change */
	NFS4ERR_WRONG_TYPE	= 10083,	/* current operation mismatch */
	NFS4ERR_DIRDELEG_UNAVAIL = 10084,	/* no directory delegation */
	NFS4ERR_REJECT_DELEG	= 10085,	/* on callback */
	NFS4ERR_RETURNCONFLICT	= 10086,	/* outstanding layoutreturn */
	NFS4ERR_DELEG_REVOKED	= 10087,	/* deleg./layout revoked */
};

static inline bool seqid_mutating_err(u32 err)
{
	/* See RFC 7530, section 9.1.7 */
	switch (err) {
	case NFS4ERR_STALE_CLIENTID:
	case NFS4ERR_STALE_STATEID:
	case NFS4ERR_BAD_STATEID:
	case NFS4ERR_BAD_SEQID:
	case NFS4ERR_BADXDR:
	case NFS4ERR_RESOURCE:
	case NFS4ERR_NOFILEHANDLE:
	case NFS4ERR_MOVED:
		return false;
	};
	return true;
}

/*
 * Note: NF4BAD is not actually part of the protocol; it is just used
 * internally by nfsd.
 */
enum nfs_ftype4 {
	NF4BAD		= 0,
        NF4REG          = 1,    /* Regular File */
        NF4DIR          = 2,    /* Directory */
        NF4BLK          = 3,    /* Special File - block device */
        NF4CHR          = 4,    /* Special File - character device */
        NF4LNK          = 5,    /* Symbolic Link */
        NF4SOCK         = 6,    /* Special File - socket */
        NF4FIFO         = 7,    /* Special File - fifo */
        NF4ATTRDIR      = 8,    /* Attribute Directory */
        NF4NAMEDATTR    = 9     /* Named Attribute */
};

enum open_claim_type4 {
	NFS4_OPEN_CLAIM_NULL = 0,
	NFS4_OPEN_CLAIM_PREVIOUS = 1,
	NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
	NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
	NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
	NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
	NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
};

enum opentype4 {
	NFS4_OPEN_NOCREATE = 0,
	NFS4_OPEN_CREATE = 1
};

enum createmode4 {
	NFS4_CREATE_UNCHECKED = 0,
	NFS4_CREATE_GUARDED = 1,
	NFS4_CREATE_EXCLUSIVE = 2,
	/*
	 * New to NFSv4.1. If session is persistent,
	 * GUARDED4 MUST be used. Otherwise, use
	 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
	 */
	NFS4_CREATE_EXCLUSIVE4_1 = 3
};

enum limit_by4 {
	NFS4_LIMIT_SIZE = 1,
	NFS4_LIMIT_BLOCKS = 2
};

enum open_delegation_type4 {
	NFS4_OPEN_DELEGATE_NONE = 0,
	NFS4_OPEN_DELEGATE_READ = 1,
	NFS4_OPEN_DELEGATE_WRITE = 2,
	NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
};

enum why_no_delegation4 { /* new to v4.1 */
	WND4_NOT_WANTED = 0,
	WND4_CONTENTION = 1,
	WND4_RESOURCE = 2,
	WND4_NOT_SUPP_FTYPE = 3,
	WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
	WND4_NOT_SUPP_UPGRADE = 5,
	WND4_NOT_SUPP_DOWNGRADE = 6,
	WND4_CANCELLED = 7,
	WND4_IS_DIR = 8,
};

enum lock_type4 {
	NFS4_UNLOCK_LT = 0,
	NFS4_READ_LT = 1,
	NFS4_WRITE_LT = 2,
	NFS4_READW_LT = 3,
	NFS4_WRITEW_LT = 4
};


/* Mandatory Attributes */
#define FATTR4_WORD0_SUPPORTED_ATTRS    (1UL << 0)
#define FATTR4_WORD0_TYPE               (1UL << 1)
#define FATTR4_WORD0_FH_EXPIRE_TYPE     (1UL << 2)
#define FATTR4_WORD0_CHANGE             (1UL << 3)
#define FATTR4_WORD0_SIZE               (1UL << 4)
#define FATTR4_WORD0_LINK_SUPPORT       (1UL << 5)
#define FATTR4_WORD0_SYMLINK_SUPPORT    (1UL << 6)
#define FATTR4_WORD0_NAMED_ATTR         (1UL << 7)
#define FATTR4_WORD0_FSID               (1UL << 8)
#define FATTR4_WORD0_UNIQUE_HANDLES     (1UL << 9)
#define FATTR4_WORD0_LEASE_TIME         (1UL << 10)
#define FATTR4_WORD0_RDATTR_ERROR       (1UL << 11)
/* Mandatory in NFSv4.1 */
#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)

/* Recommended Attributes */
#define FATTR4_WORD0_ACL                (1UL << 12)
#define FATTR4_WORD0_ACLSUPPORT         (1UL << 13)
#define FATTR4_WORD0_ARCHIVE            (1UL << 14)
#define FATTR4_WORD0_CANSETTIME         (1UL << 15)
#define FATTR4_WORD0_CASE_INSENSITIVE   (1UL << 16)
#define FATTR4_WORD0_CASE_PRESERVING    (1UL << 17)
#define FATTR4_WORD0_CHOWN_RESTRICTED   (1UL << 18)
#define FATTR4_WORD0_FILEHANDLE         (1UL << 19)
#define FATTR4_WORD0_FILEID             (1UL << 20)
#define FATTR4_WORD0_FILES_AVAIL        (1UL << 21)
#define FATTR4_WORD0_FILES_FREE         (1UL << 22)
#define FATTR4_WORD0_FILES_TOTAL        (1UL << 23)
#define FATTR4_WORD0_FS_LOCATIONS       (1UL << 24)
#define FATTR4_WORD0_HIDDEN             (1UL << 25)
#define FATTR4_WORD0_HOMOGENEOUS        (1UL << 26)
#define FATTR4_WORD0_MAXFILESIZE        (1UL << 27)
#define FATTR4_WORD0_MAXLINK            (1UL << 28)
#define FATTR4_WORD0_MAXNAME            (1UL << 29)
#define FATTR4_WORD0_MAXREAD            (1UL << 30)
#define FATTR4_WORD0_MAXWRITE           (1UL << 31)
#define FATTR4_WORD1_MIMETYPE           (1UL << 0)
#define FATTR4_WORD1_MODE               (1UL << 1)
#define FATTR4_WORD1_NO_TRUNC           (1UL << 2)
#define FATTR4_WORD1_NUMLINKS           (1UL << 3)
#define FATTR4_WORD1_OWNER              (1UL << 4)
#define FATTR4_WORD1_OWNER_GROUP        (1UL << 5)
#define FATTR4_WORD1_QUOTA_HARD         (1UL << 6)
#define FATTR4_WORD1_QUOTA_SOFT         (1UL << 7)
#define FATTR4_WORD1_QUOTA_USED         (1UL << 8)
#define FATTR4_WORD1_RAWDEV             (1UL << 9)
#define FATTR4_WORD1_SPACE_AVAIL        (1UL << 10)
#define FATTR4_WORD1_SPACE_FREE         (1UL << 11)
#define FATTR4_WORD1_SPACE_TOTAL        (1UL << 12)
#define FATTR4_WORD1_SPACE_USED         (1UL << 13)
#define FATTR4_WORD1_SYSTEM             (1UL << 14)
#define FATTR4_WORD1_TIME_ACCESS        (1UL << 15)
#define FATTR4_WORD1_TIME_ACCESS_SET    (1UL << 16)
#define FATTR4_WORD1_TIME_BACKUP        (1UL << 17)
#define FATTR4_WORD1_TIME_CREATE        (1UL << 18)
#define FATTR4_WORD1_TIME_DELTA         (1UL << 19)
#define FATTR4_WORD1_TIME_METADATA      (1UL << 20)
#define FATTR4_WORD1_TIME_MODIFY        (1UL << 21)
#define FATTR4_WORD1_TIME_MODIFY_SET    (1UL << 22)
#define FATTR4_WORD1_MOUNTED_ON_FILEID  (1UL << 23)
#define FATTR4_WORD1_FS_LAYOUT_TYPES    (1UL << 30)
#define FATTR4_WORD2_LAYOUT_BLKSIZE     (1UL << 1)
#define FATTR4_WORD2_MDSTHRESHOLD       (1UL << 4)

/* MDS threshold bitmap bits */
#define THRESHOLD_RD                    (1UL << 0)
#define THRESHOLD_WR                    (1UL << 1)
#define THRESHOLD_RD_IO                 (1UL << 2)
#define THRESHOLD_WR_IO                 (1UL << 3)

#define NFSPROC4_NULL 0
#define NFSPROC4_COMPOUND 1
#define NFS4_VERSION 4
#define NFS4_MINOR_VERSION 0

#if defined(CONFIG_NFS_V4_1)
#define NFS4_MAX_MINOR_VERSION 1
#else
#define NFS4_MAX_MINOR_VERSION 0
#endif /* CONFIG_NFS_V4_1 */

#define NFS4_DEBUG 1

/* Index of predefined Linux client operations */

enum {
	NFSPROC4_CLNT_NULL = 0,		/* Unused */
	NFSPROC4_CLNT_READ,
	NFSPROC4_CLNT_WRITE,
	NFSPROC4_CLNT_COMMIT,
	NFSPROC4_CLNT_OPEN,
	NFSPROC4_CLNT_OPEN_CONFIRM,
	NFSPROC4_CLNT_OPEN_NOATTR,
	NFSPROC4_CLNT_OPEN_DOWNGRADE,
	NFSPROC4_CLNT_CLOSE,
	NFSPROC4_CLNT_SETATTR,
	NFSPROC4_CLNT_FSINFO,
	NFSPROC4_CLNT_RENEW,
	NFSPROC4_CLNT_SETCLIENTID,
	NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
	NFSPROC4_CLNT_LOCK,
	NFSPROC4_CLNT_LOCKT,
	NFSPROC4_CLNT_LOCKU,
	NFSPROC4_CLNT_ACCESS,
	NFSPROC4_CLNT_GETATTR,
	NFSPROC4_CLNT_LOOKUP,
	NFSPROC4_CLNT_LOOKUP_ROOT,
	NFSPROC4_CLNT_REMOVE,
	NFSPROC4_CLNT_RENAME,
	NFSPROC4_CLNT_LINK,
	NFSPROC4_CLNT_SYMLINK,
	NFSPROC4_CLNT_CREATE,
	NFSPROC4_CLNT_PATHCONF,
	NFSPROC4_CLNT_STATFS,
	NFSPROC4_CLNT_READLINK,
	NFSPROC4_CLNT_READDIR,
	NFSPROC4_CLNT_SERVER_CAPS,
	NFSPROC4_CLNT_DELEGRETURN,
	NFSPROC4_CLNT_GETACL,
	NFSPROC4_CLNT_SETACL,
	NFSPROC4_CLNT_FS_LOCATIONS,
	NFSPROC4_CLNT_RELEASE_LOCKOWNER,
	NFSPROC4_CLNT_SECINFO,

	/* nfs41 */
	NFSPROC4_CLNT_EXCHANGE_ID,
	NFSPROC4_CLNT_CREATE_SESSION,
	NFSPROC4_CLNT_DESTROY_SESSION,
	NFSPROC4_CLNT_SEQUENCE,
	NFSPROC4_CLNT_GET_LEASE_TIME,
	NFSPROC4_CLNT_RECLAIM_COMPLETE,
	NFSPROC4_CLNT_LAYOUTGET,
	NFSPROC4_CLNT_GETDEVICEINFO,
	NFSPROC4_CLNT_LAYOUTCOMMIT,
	NFSPROC4_CLNT_LAYOUTRETURN,
	NFSPROC4_CLNT_SECINFO_NO_NAME,
	NFSPROC4_CLNT_TEST_STATEID,
	NFSPROC4_CLNT_FREE_STATEID,
	NFSPROC4_CLNT_GETDEVICELIST,
	NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
	NFSPROC4_CLNT_DESTROY_CLIENTID,
};

/* nfs41 types */
struct nfs4_sessionid {
	unsigned char data[NFS4_MAX_SESSIONID_LEN];
};

/* Create Session Flags */
#define SESSION4_PERSIST	0x001
#define SESSION4_BACK_CHAN	0x002
#define SESSION4_RDMA		0x004

#define SESSION4_FLAG_MASK_A	0x007

enum state_protect_how4 {
	SP4_NONE	= 0,
	SP4_MACH_CRED	= 1,
	SP4_SSV		= 2
};

enum pnfs_layouttype {
	LAYOUT_NFSV4_1_FILES  = 1,
	LAYOUT_OSD2_OBJECTS = 2,
	LAYOUT_BLOCK_VOLUME = 3,
};

/* used for both layout return and recall */
enum pnfs_layoutreturn_type {
	RETURN_FILE = 1,
	RETURN_FSID = 2,
	RETURN_ALL  = 3
};

enum pnfs_iomode {
	IOMODE_READ = 1,
	IOMODE_RW = 2,
	IOMODE_ANY = 3,
};

enum pnfs_notify_deviceid_type4 {
	NOTIFY_DEVICEID4_CHANGE = 1 << 1,
	NOTIFY_DEVICEID4_DELETE = 1 << 2,
};

#define NFL4_UFLG_MASK			0x0000003F
#define NFL4_UFLG_DENSE			0x00000001
#define NFL4_UFLG_COMMIT_THRU_MDS	0x00000002
#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK	0xFFFFFFC0

/* Encoded in the loh_body field of type layouthint4 */
enum filelayout_hint_care4 {
	NFLH4_CARE_DENSE		= NFL4_UFLG_DENSE,
	NFLH4_CARE_COMMIT_THRU_MDS	= NFL4_UFLG_COMMIT_THRU_MDS,
	NFLH4_CARE_STRIPE_UNIT_SIZE	= 0x00000040,
	NFLH4_CARE_STRIPE_COUNT		= 0x00000080
};

#define NFS4_DEVICEID4_SIZE 16

struct nfs4_deviceid {
	char data[NFS4_DEVICEID4_SIZE];
};

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* include/linux/nfs4.h
	3	*
	4	* NFSv4 protocol definitions.
	5	*
	6	* Copyright (c) 2002 The Regents of the University of Michigan.
	7	* All rights reserved.
	8	*
	9	* Kendrick Smith <kmsmith@umich.edu>
	10	* Andy Adamson <andros@umich.edu>
	11	*/
1da177e4 LT	12	#ifndef _LINUX_NFS4_H
	13	#define _LINUX_NFS4_H
	14
997b7af2	15	#include <linux/list.h>
ab8e4aee	16	#include <linux/uidgid.h>
607ca46e	17	#include <uapi/linux/nfs4.h>
997b7af2	18
1da177e4 LT	19	struct nfs4_ace {
	20	uint32_t type;
	21	uint32_t flag;
	22	uint32_t access_mask;
	23	int whotype;
ab8e4aee EB	24	union {
	25	kuid_t who_uid;
	26	kgid_t who_gid;
	27	};
1da177e4 LT	28	};
	29
	30	struct nfs4_acl {
	31	uint32_t naces;
28e05dd8	32	struct nfs4_ace aces[0];
1da177e4 LT	33	};
	34
	35	typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
94499252	36
2d2f24ad	37	struct nfs_stateid4 {
94499252 AB	38	__be32 seqid;
	39	char other[NFS4_STATEID_OTHER_SIZE];
	40	} __attribute__ ((packed));
	41
2d2f24ad	42	typedef struct nfs_stateid4 nfs4_stateid;
1da177e4 LT	43
	44	enum nfs_opnum4 {
	45	OP_ACCESS = 3,
	46	OP_CLOSE = 4,
	47	OP_COMMIT = 5,
	48	OP_CREATE = 6,
	49	OP_DELEGPURGE = 7,
	50	OP_DELEGRETURN = 8,
	51	OP_GETATTR = 9,
	52	OP_GETFH = 10,
	53	OP_LINK = 11,
	54	OP_LOCK = 12,
	55	OP_LOCKT = 13,
	56	OP_LOCKU = 14,
	57	OP_LOOKUP = 15,
	58	OP_LOOKUPP = 16,
	59	OP_NVERIFY = 17,
	60	OP_OPEN = 18,
	61	OP_OPENATTR = 19,
	62	OP_OPEN_CONFIRM = 20,
	63	OP_OPEN_DOWNGRADE = 21,
	64	OP_PUTFH = 22,
	65	OP_PUTPUBFH = 23,
	66	OP_PUTROOTFH = 24,
	67	OP_READ = 25,
	68	OP_READDIR = 26,
	69	OP_READLINK = 27,
	70	OP_REMOVE = 28,
	71	OP_RENAME = 29,
	72	OP_RENEW = 30,
	73	OP_RESTOREFH = 31,
	74	OP_SAVEFH = 32,
	75	OP_SECINFO = 33,
	76	OP_SETATTR = 34,
	77	OP_SETCLIENTID = 35,
	78	OP_SETCLIENTID_CONFIRM = 36,
	79	OP_VERIFY = 37,
	80	OP_WRITE = 38,
	81	OP_RELEASE_LOCKOWNER = 39,
18df1884 BH	82
	83	/* nfs41 */
	84	OP_BACKCHANNEL_CTL = 40,
	85	OP_BIND_CONN_TO_SESSION = 41,
	86	OP_EXCHANGE_ID = 42,
	87	OP_CREATE_SESSION = 43,
	88	OP_DESTROY_SESSION = 44,
	89	OP_FREE_STATEID = 45,
	90	OP_GET_DIR_DELEGATION = 46,
	91	OP_GETDEVICEINFO = 47,
	92	OP_GETDEVICELIST = 48,
	93	OP_LAYOUTCOMMIT = 49,
	94	OP_LAYOUTGET = 50,
	95	OP_LAYOUTRETURN = 51,
	96	OP_SECINFO_NO_NAME = 52,
	97	OP_SEQUENCE = 53,
	98	OP_SET_SSV = 54,
	99	OP_TEST_STATEID = 55,
	100	OP_WANT_DELEGATION = 56,
	101	OP_DESTROY_CLIENTID = 57,
	102	OP_RECLAIM_COMPLETE = 58,
	103
1da177e4 LT	104	OP_ILLEGAL = 10044,
	105	};
	106
e2b20950 SA	107	/*Defining first and last NFS4 operations implemented.
	108	Needs to be updated if more operations are defined in future.*/
	109
	110	#define FIRST_NFS4_OP OP_ACCESS
5a421ce3	111	#define LAST_NFS4_OP OP_RECLAIM_COMPLETE
e2b20950	112
1da177e4 LT	113	enum nfsstat4 {
	114	NFS4_OK = 0,
	115	NFS4ERR_PERM = 1,
	116	NFS4ERR_NOENT = 2,
	117	NFS4ERR_IO = 5,
	118	NFS4ERR_NXIO = 6,
	119	NFS4ERR_ACCESS = 13,
	120	NFS4ERR_EXIST = 17,
	121	NFS4ERR_XDEV = 18,
	122	/* Unused/reserved 19 */
	123	NFS4ERR_NOTDIR = 20,
	124	NFS4ERR_ISDIR = 21,
	125	NFS4ERR_INVAL = 22,
	126	NFS4ERR_FBIG = 27,
	127	NFS4ERR_NOSPC = 28,
	128	NFS4ERR_ROFS = 30,
	129	NFS4ERR_MLINK = 31,
	130	NFS4ERR_NAMETOOLONG = 63,
	131	NFS4ERR_NOTEMPTY = 66,
	132	NFS4ERR_DQUOT = 69,
	133	NFS4ERR_STALE = 70,
	134	NFS4ERR_BADHANDLE = 10001,
	135	NFS4ERR_BAD_COOKIE = 10003,
	136	NFS4ERR_NOTSUPP = 10004,
	137	NFS4ERR_TOOSMALL = 10005,
	138	NFS4ERR_SERVERFAULT = 10006,
	139	NFS4ERR_BADTYPE = 10007,
	140	NFS4ERR_DELAY = 10008,
	141	NFS4ERR_SAME = 10009,
	142	NFS4ERR_DENIED = 10010,
	143	NFS4ERR_EXPIRED = 10011,
	144	NFS4ERR_LOCKED = 10012,
	145	NFS4ERR_GRACE = 10013,
	146	NFS4ERR_FHEXPIRED = 10014,
	147	NFS4ERR_SHARE_DENIED = 10015,
	148	NFS4ERR_WRONGSEC = 10016,
	149	NFS4ERR_CLID_INUSE = 10017,
	150	NFS4ERR_RESOURCE = 10018,
	151	NFS4ERR_MOVED = 10019,
	152	NFS4ERR_NOFILEHANDLE = 10020,
	153	NFS4ERR_MINOR_VERS_MISMATCH = 10021,
	154	NFS4ERR_STALE_CLIENTID = 10022,
	155	NFS4ERR_STALE_STATEID = 10023,
	156	NFS4ERR_OLD_STATEID = 10024,
	157	NFS4ERR_BAD_STATEID = 10025,
	158	NFS4ERR_BAD_SEQID = 10026,
	159	NFS4ERR_NOT_SAME = 10027,
	160	NFS4ERR_LOCK_RANGE = 10028,
	161	NFS4ERR_SYMLINK = 10029,
	162	NFS4ERR_RESTOREFH = 10030,
	163	NFS4ERR_LEASE_MOVED = 10031,
	164	NFS4ERR_ATTRNOTSUPP = 10032,
	165	NFS4ERR_NO_GRACE = 10033,
	166	NFS4ERR_RECLAIM_BAD = 10034,
	167	NFS4ERR_RECLAIM_CONFLICT = 10035,
	168	NFS4ERR_BADXDR = 10036,
	169	NFS4ERR_LOCKS_HELD = 10037,
	170	NFS4ERR_OPENMODE = 10038,
	171	NFS4ERR_BADOWNER = 10039,
	172	NFS4ERR_BADCHAR = 10040,
	173	NFS4ERR_BADNAME = 10041,
	174	NFS4ERR_BAD_RANGE = 10042,
	175	NFS4ERR_LOCK_NOTSUPP = 10043,
	176	NFS4ERR_OP_ILLEGAL = 10044,
177	NFS4ERR_DEADLOCK = 10045,
178	NFS4ERR_FILE_OPEN = 10046,
179	NFS4ERR_ADMIN_REVOKED = 10047,
18df1884 BH	180	NFS4ERR_CB_PATH_DOWN = 10048,
	181
	182	/* nfs41 */
	183	NFS4ERR_BADIOMODE = 10049,
	184	NFS4ERR_BADLAYOUT = 10050,
	185	NFS4ERR_BAD_SESSION_DIGEST = 10051,
	186	NFS4ERR_BADSESSION = 10052,
	187	NFS4ERR_BADSLOT = 10053,
	188	NFS4ERR_COMPLETE_ALREADY = 10054,
	189	NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
	190	NFS4ERR_DELEG_ALREADY_WANTED = 10056,
	191	NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
	192	NFS4ERR_LAYOUTTRYLATER = 10058,
	193	NFS4ERR_LAYOUTUNAVAILABLE = 10059,
	194	NFS4ERR_NOMATCHING_LAYOUT = 10060,
	195	NFS4ERR_RECALLCONFLICT = 10061,
	196	NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
	197	NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
	198	NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
	199	NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
	200	NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
	201	NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
	202	NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
	203	NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
	204	NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
	205	NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
	206	NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
	207	/* Error 10073 is unused. */
	208	NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
	209	NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
25985edc	210	NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
18df1884 BH	211	NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
	212	NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
	213	NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
	214	NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
	215	NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
	216	NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
	217	NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
	218	NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
	219	NFS4ERR_REJECT_DELEG = 10085, /* on callback */
	220	NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
	221	NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
1da177e4 LT	222	};
1da177e4 LT	223
a9004abc BF	224	static inline bool seqid_mutating_err(u32 err)
a9004abc BF	225	{
379fa3e8	226	/* See RFC 7530, section 9.1.7 */
a9004abc BF	227	switch (err) {
	228	case NFS4ERR_STALE_CLIENTID:
	229	case NFS4ERR_STALE_STATEID:
	230	case NFS4ERR_BAD_STATEID:
	231	case NFS4ERR_BAD_SEQID:
	232	case NFS4ERR_BADXDR:
	233	case NFS4ERR_RESOURCE:
	234	case NFS4ERR_NOFILEHANDLE:
379fa3e8	235	case NFS4ERR_MOVED:
a9004abc BF	236	return false;
	237	};
	238	return true;
	239	}
	240
1da177e4 LT	241	/*
	242	* Note: NF4BAD is not actually part of the protocol; it is just used
	243	* internally by nfsd.
	244	*/
	245	enum nfs_ftype4 {
	246	NF4BAD = 0,
	247	NF4REG = 1, /* Regular File */
	248	NF4DIR = 2, /* Directory */
	249	NF4BLK = 3, /* Special File - block device */
	250	NF4CHR = 4, /* Special File - character device */
	251	NF4LNK = 5, /* Symbolic Link */
	252	NF4SOCK = 6, /* Special File - socket */
	253	NF4FIFO = 7, /* Special File - fifo */
	254	NF4ATTRDIR = 8, /* Attribute Directory */
	255	NF4NAMEDATTR = 9 /* Named Attribute */
	256	};
	257
	258	enum open_claim_type4 {
	259	NFS4_OPEN_CLAIM_NULL = 0,
	260	NFS4_OPEN_CLAIM_PREVIOUS = 1,
	261	NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
8b289b2c BF	262	NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
	263	NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
	264	NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
	265	NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
1da177e4 LT	266	};
	267
	268	enum opentype4 {
	269	NFS4_OPEN_NOCREATE = 0,
	270	NFS4_OPEN_CREATE = 1
	271	};
	272
	273	enum createmode4 {
	274	NFS4_CREATE_UNCHECKED = 0,
	275	NFS4_CREATE_GUARDED = 1,
79fb54ab BH	276	NFS4_CREATE_EXCLUSIVE = 2,
	277	/*
	278	* New to NFSv4.1. If session is persistent,
	279	* GUARDED4 MUST be used. Otherwise, use
	280	* EXCLUSIVE4_1 instead of EXCLUSIVE4.
	281	*/
	282	NFS4_CREATE_EXCLUSIVE4_1 = 3
1da177e4 LT	283	};
	284
	285	enum limit_by4 {
	286	NFS4_LIMIT_SIZE = 1,
	287	NFS4_LIMIT_BLOCKS = 2
	288	};
	289
	290	enum open_delegation_type4 {
	291	NFS4_OPEN_DELEGATE_NONE = 0,
	292	NFS4_OPEN_DELEGATE_READ = 1,
d24433cd BH	293	NFS4_OPEN_DELEGATE_WRITE = 2,
	294	NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
	295	};
	296
	297	enum why_no_delegation4 { /* new to v4.1 */
	298	WND4_NOT_WANTED = 0,
	299	WND4_CONTENTION = 1,
	300	WND4_RESOURCE = 2,
	301	WND4_NOT_SUPP_FTYPE = 3,
	302	WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
	303	WND4_NOT_SUPP_UPGRADE = 5,
	304	WND4_NOT_SUPP_DOWNGRADE = 6,
	305	WND4_CANCELLED = 7,
	306	WND4_IS_DIR = 8,
1da177e4 LT	307	};
	308
	309	enum lock_type4 {
	310	NFS4_UNLOCK_LT = 0,
	311	NFS4_READ_LT = 1,
	312	NFS4_WRITE_LT = 2,
	313	NFS4_READW_LT = 3,
	314	NFS4_WRITEW_LT = 4
	315	};
	316
	317
	318	/* Mandatory Attributes */
	319	#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
	320	#define FATTR4_WORD0_TYPE (1UL << 1)
	321	#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
	322	#define FATTR4_WORD0_CHANGE (1UL << 3)
	323	#define FATTR4_WORD0_SIZE (1UL << 4)
	324	#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
	325	#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
	326	#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
	327	#define FATTR4_WORD0_FSID (1UL << 8)
	328	#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
	329	#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
	330	#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
8c18f205 BH	331	/* Mandatory in NFSv4.1 */
8c18f205 BH	332	#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
1da177e4 LT	333
	334	/* Recommended Attributes */
	335	#define FATTR4_WORD0_ACL (1UL << 12)
	336	#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
	337	#define FATTR4_WORD0_ARCHIVE (1UL << 14)
	338	#define FATTR4_WORD0_CANSETTIME (1UL << 15)
	339	#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
	340	#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
	341	#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
	342	#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
	343	#define FATTR4_WORD0_FILEID (1UL << 20)
	344	#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
	345	#define FATTR4_WORD0_FILES_FREE (1UL << 22)
	346	#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
	347	#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
	348	#define FATTR4_WORD0_HIDDEN (1UL << 25)
	349	#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
	350	#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
	351	#define FATTR4_WORD0_MAXLINK (1UL << 28)
	352	#define FATTR4_WORD0_MAXNAME (1UL << 29)
	353	#define FATTR4_WORD0_MAXREAD (1UL << 30)
	354	#define FATTR4_WORD0_MAXWRITE (1UL << 31)
	355	#define FATTR4_WORD1_MIMETYPE (1UL << 0)
	356	#define FATTR4_WORD1_MODE (1UL << 1)
	357	#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
	358	#define FATTR4_WORD1_NUMLINKS (1UL << 3)
	359	#define FATTR4_WORD1_OWNER (1UL << 4)
	360	#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
	361	#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
	362	#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
	363	#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
	364	#define FATTR4_WORD1_RAWDEV (1UL << 9)
	365	#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
	366	#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
	367	#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
	368	#define FATTR4_WORD1_SPACE_USED (1UL << 13)
	369	#define FATTR4_WORD1_SYSTEM (1UL << 14)
	370	#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
	371	#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
	372	#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
	373	#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
	374	#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
	375	#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
	376	#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
	377	#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
	378	#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
c772567d DH	379	#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
c772567d DH	380	#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
88034c3d AA	381	#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
	382
	383	/* MDS threshold bitmap bits */
	384	#define THRESHOLD_RD (1UL << 0)
	385	#define THRESHOLD_WR (1UL << 1)
	386	#define THRESHOLD_RD_IO (1UL << 2)
	387	#define THRESHOLD_WR_IO (1UL << 3)
1da177e4 LT	388
	389	#define NFSPROC4_NULL 0
	390	#define NFSPROC4_COMPOUND 1
764302cc	391	#define NFS4_VERSION 4
1da177e4	392	#define NFS4_MINOR_VERSION 0
44549dff MS	393
	394	#if defined(CONFIG_NFS_V4_1)
	395	#define NFS4_MAX_MINOR_VERSION 1
	396	#else
	397	#define NFS4_MAX_MINOR_VERSION 0
	398	#endif /* CONFIG_NFS_V4_1 */
	399
1da177e4 LT	400	#define NFS4_DEBUG 1
1da177e4 LT	401
1da177e4 LT	402	/* Index of predefined Linux client operations */
	403
	404	enum {
	405	NFSPROC4_CLNT_NULL = 0, /* Unused */
	406	NFSPROC4_CLNT_READ,
	407	NFSPROC4_CLNT_WRITE,
	408	NFSPROC4_CLNT_COMMIT,
	409	NFSPROC4_CLNT_OPEN,
	410	NFSPROC4_CLNT_OPEN_CONFIRM,
	411	NFSPROC4_CLNT_OPEN_NOATTR,
	412	NFSPROC4_CLNT_OPEN_DOWNGRADE,
	413	NFSPROC4_CLNT_CLOSE,
	414	NFSPROC4_CLNT_SETATTR,
	415	NFSPROC4_CLNT_FSINFO,
	416	NFSPROC4_CLNT_RENEW,
	417	NFSPROC4_CLNT_SETCLIENTID,
	418	NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
	419	NFSPROC4_CLNT_LOCK,
	420	NFSPROC4_CLNT_LOCKT,
	421	NFSPROC4_CLNT_LOCKU,
	422	NFSPROC4_CLNT_ACCESS,
	423	NFSPROC4_CLNT_GETATTR,
	424	NFSPROC4_CLNT_LOOKUP,
	425	NFSPROC4_CLNT_LOOKUP_ROOT,
	426	NFSPROC4_CLNT_REMOVE,
	427	NFSPROC4_CLNT_RENAME,
	428	NFSPROC4_CLNT_LINK,
	429	NFSPROC4_CLNT_SYMLINK,
	430	NFSPROC4_CLNT_CREATE,
	431	NFSPROC4_CLNT_PATHCONF,
	432	NFSPROC4_CLNT_STATFS,
	433	NFSPROC4_CLNT_READLINK,
	434	NFSPROC4_CLNT_READDIR,
	435	NFSPROC4_CLNT_SERVER_CAPS,
	436	NFSPROC4_CLNT_DELEGRETURN,
029d105e	437	NFSPROC4_CLNT_GETACL,
23ec6965	438	NFSPROC4_CLNT_SETACL,
683b57b4	439	NFSPROC4_CLNT_FS_LOCATIONS,
d3c7b7cc	440	NFSPROC4_CLNT_RELEASE_LOCKOWNER,
5a5ea0d4	441	NFSPROC4_CLNT_SECINFO,
18df1884 BH	442
	443	/* nfs41 */
	444	NFSPROC4_CLNT_EXCHANGE_ID,
	445	NFSPROC4_CLNT_CREATE_SESSION,
	446	NFSPROC4_CLNT_DESTROY_SESSION,
	447	NFSPROC4_CLNT_SEQUENCE,
	448	NFSPROC4_CLNT_GET_LEASE_TIME,
18019753	449	NFSPROC4_CLNT_RECLAIM_COMPLETE,
b1f69b75 AA	450	NFSPROC4_CLNT_LAYOUTGET,
b1f69b75 AA	451	NFSPROC4_CLNT_GETDEVICEINFO,
863a3c6c	452	NFSPROC4_CLNT_LAYOUTCOMMIT,
cbe82603	453	NFSPROC4_CLNT_LAYOUTRETURN,
fca78d6d	454	NFSPROC4_CLNT_SECINFO_NO_NAME,
7d974794	455	NFSPROC4_CLNT_TEST_STATEID,
9aeda35f	456	NFSPROC4_CLNT_FREE_STATEID,
7f11d8d3	457	NFSPROC4_CLNT_GETDEVICELIST,
ad24ecfb	458	NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
66245539	459	NFSPROC4_CLNT_DESTROY_CLIENTID,
18df1884 BH	460	};
	461
	462	/* nfs41 types */
	463	struct nfs4_sessionid {
	464	unsigned char data[NFS4_MAX_SESSIONID_LEN];
	465	};
	466
	467	/* Create Session Flags */
a62573dc MJ	468	#define SESSION4_PERSIST 0x001
	469	#define SESSION4_BACK_CHAN 0x002
	470	#define SESSION4_RDMA 0x004
	471
	472	#define SESSION4_FLAG_MASK_A 0x007
18df1884 BH	473
	474	enum state_protect_how4 {
	475	SP4_NONE = 0,
	476	SP4_MACH_CRED = 1,
	477	SP4_SSV = 2
1da177e4 LT	478	};
1da177e4 LT	479
c772567d DH	480	enum pnfs_layouttype {
	481	LAYOUT_NFSV4_1_FILES = 1,
	482	LAYOUT_OSD2_OBJECTS = 2,
	483	LAYOUT_BLOCK_VOLUME = 3,
	484	};
	485
	486	/* used for both layout return and recall */
	487	enum pnfs_layoutreturn_type {
	488	RETURN_FILE = 1,
	489	RETURN_FSID = 2,
	490	RETURN_ALL = 3
	491	};
	492
	493	enum pnfs_iomode {
	494	IOMODE_READ = 1,
	495	IOMODE_RW = 2,
	496	IOMODE_ANY = 3,
	497	};
	498
	499	enum pnfs_notify_deviceid_type4 {
	500	NOTIFY_DEVICEID4_CHANGE = 1 << 1,
	501	NOTIFY_DEVICEID4_DELETE = 1 << 2,
	502	};
	503
	504	#define NFL4_UFLG_MASK 0x0000003F
	505	#define NFL4_UFLG_DENSE 0x00000001
	506	#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
	507	#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
	508
	509	/* Encoded in the loh_body field of type layouthint4 */
	510	enum filelayout_hint_care4 {
	511	NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
	512	NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
	513	NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
	514	NFLH4_CARE_STRIPE_COUNT = 0x00000080
	515	};
	516
	517	#define NFS4_DEVICEID4_SIZE 16
	518
	519	struct nfs4_deviceid {
	520	char data[NFS4_DEVICEID4_SIZE];
	521	};
	522
1da177e4	523	#endif